package src.lab02.test37;

/**
 * Created by Administrator on 2017/11/18.
 */
public class StudentDemo {
    public static void main(String[] args) {
        Undergraduate st1 = new Undergraduate(" 张三", 50, 70, 60);
        st1.Display();
        Graduate st2 = new Graduate(" 李四", 70, 80, 90);

        st2.Display();
    }

}
